/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Classes/MuCO/CustomizableObjectSystem.h
Get the singleton object. It will be created if it doesn't exist yet.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, BlueprintPure, Category=Status) static [UCustomizableObjectSystem](API\Plugins\CustomizableObject\MuCO\UCustomizableObjectSystem) * GetInstance()